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0.8*5= 4 1.3*7= 23.1 13.2*4= 52.8 2.8*5= 14 3.5*4=14 1.08*7= 7.56 0.9*9= 0.81 0.63*3= 1.83 1.1*6= 6.6 7.2*8= 57.6 5.2*3= 15.6 4.17*4=16. 68 3.06*8=24.48 7.5*2= 15 1.007*6= 6.042 1.25*8=2000.25*4=1000.02*5=12.4*5=1016.5*8=13216.1*8=128.85.5*2=112.59*8=20.725.15*2=10.30.5*6=31.9*9=17.13.54*6=21.248.3*7=58.15.22*5=26.12.25*8=183.025*4=12.11.8*5=92.3*7=16.11.6*7=11.20.25*3=0.751.15*7=8.050.26*4=1.040.19*4=0.760.2*5=11.3*4=5.22.5*4=101.9*3=5.72.1*4=8.40.39*6=2.343.6*4= 14.4 同学你要努力呀 无言